Russian standards PDF
Plastic piping for the supply of gaseous fuels. Polyethylene (PE). Part 5. Fitness for purpose of the system
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Intermediate rail fastening of railway track. General specifications
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Automobile roads of general use. Requirements for winter maintenance level. Evaluation criteria and control methods
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Auxiliary tools for independent walking. Requirements to documentation and labelling for information disclosure
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Walking aids manipulated by both arms. Requirements and test methods. Part 2. Rollators
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The preservation of monuments of stone architecture. General requirements
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